Today NVIDIA announced that the company’s Tesla GPU accelerators are powering the world’s two most energy efficient supercomputers, based on the newly published Green500 list.

Raw performance is no longer the exclusive measure of the value and impact of supercomputers,” said Sumit Gupta, general manager of the Tesla Accelerated Computing Business Unit at NVIDIA. “All future systems will need to deliver higher performance with reduced power consumption. With GPU accelerators in the top two spots, the latest Green500 list demonstrates accelerators’ ability to deliver unmatched levels of energy-efficient supercomputer performance for next-generation systems.”

The winning system is ‘Eurora‘ at CINECA, Italy’s largest supercomputing center, in Casalecchio di Reno. Equipped with NVIDIA Kepler GPUs, Eurora delivers 3,210 MFlops per watt, making it 2.6 times more energy efficient than the best system using Intel CPUs alone (at Météo France). It also greatly surpasses the most efficient Intel Xeon Phi accelerator-based system, ‘Beacon,’ at the National Institute for Computational Sciences, at the University of Tennessee.

The number-two system on the June 2013 Green500 list is the ‘Aurora Tigon‘ supercomputer at the Selex ES facilities Chieti, Italy.

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